Update app.py

app.py

@@ -170,6 +170,7 @@ def infer(
             params['controlnet_conditioning_scale'] = float(cn_strength)
         else:
             params['image'] = torch.zeros((1, 3, 512, 512)).to(device)  # заглушка, чтобы pipeline не падал
+            params['controlnet_conditioning_scale'] = 0.0
             
         if ip_enable:
             pipe.load_ip_adapter(IP_ADAPTER, subfolder="models", weight_name=IP_ADAPTER_WEIGHT_NAME)